IRR is the discount rate that produces the level of the NPV equal to zero. If the calculation results of the the IRR is greater than the discount factor, it can be said that the investment will be worth doing. From the calculation, the value of IRR is IDR 38,284,291 with i (interest rate) is 10%. IRR is the value that is closest to the number 0. Because the interest rate i on the IRR is greater than the MARR (7%), the business is feasible.